BlackBerry Messenger 5.0 vs BlackBerry Messenger 6.0 | BBM 5.0 vs BBM 6.0 BlackBerry Messenger 5.0 and BlackBerry Messenger 6.0 are two versions of the instant messaging application used in the blackberry devices. Research In Motion (RIM), the maker of the Blackberry devices is the proprieter of this application. The Blackberry PIN system used in […]